Title: Textor Webmasters Limited ListRec.pl Input Validation Vulnerability
Severity: HIGH
Description:
Textor Webmasters Ltd offers a series of pre-packaged web content management solutions, including the 'listrec.pl' script.
'listrec.pl' does not adequately validate user-supplied input. It is possible for an attacker to craft a malicious web request which will cause remote commands to be executed on the host(with the privileges of the webserver process). This is due to the fact that 'listrec.pl' does not filter shell metacharacters(such as ';' or '|') from web requests.
Additionally, because of the nature of insufficient input validation, it may be possible for a remote attacker to view arbitrary web-readable files via a directory traversal attack. This would be accomplished by using '../' sequences(or some variation) to break out of wwwroot and browse the filesystem of the host.
NOTE: The vendor, Textor Webmasters Ltd, claims that although shell metacharacters are not filtered, the nature of the program prevents this issue from being exploited to execute arbitrary commands.
Affected Products:
- Textor Webmasters Ltd listrec.pl 1.0.0
References:
- Textor Webmasters Ltd: Textor Homepage
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